| /* |
| * Copyright (C) 2014 Google Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following disclaimer |
| * in the documentation and/or other materials provided with the |
| * distribution. |
| * * Neither the name of Google Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #ifndef SVGEnumeration_h |
| #define SVGEnumeration_h |
| |
| #include "core/svg/SVGParsingError.h" |
| #include "core/svg/properties/SVGProperty.h" |
| |
| namespace blink { |
| |
| class SVGEnumerationBase : public SVGPropertyBase { |
| public: |
| typedef std::pair<unsigned short, String> StringEntry; |
| typedef Vector<StringEntry> StringEntries; |
| |
| // SVGEnumeration does not have a tear-off type. |
| typedef void TearOffType; |
| typedef unsigned short PrimitiveType; |
| |
| ~SVGEnumerationBase() override; |
| |
| unsigned short value() const { |
| return m_value <= maxExposedEnumValue() ? m_value : 0; |
| } |
| void setValue(unsigned short); |
| |
| // SVGPropertyBase: |
| virtual SVGEnumerationBase* clone() const = 0; |
| SVGPropertyBase* cloneForAnimation(const String&) const override; |
| |
| String valueAsString() const override; |
| SVGParsingError setValueAsString(const String&); |
| |
| void add(SVGPropertyBase*, SVGElement*) override; |
| void calculateAnimatedValue(SVGAnimationElement*, |
| float percentage, |
| unsigned repeatCount, |
| SVGPropertyBase* from, |
| SVGPropertyBase* to, |
| SVGPropertyBase* toAtEndOfDurationValue, |
| SVGElement*) override; |
| float calculateDistance(SVGPropertyBase* to, SVGElement*) override; |
| |
| static AnimatedPropertyType classType() { return AnimatedEnumeration; } |
| AnimatedPropertyType type() const override { return classType(); } |
| |
| static unsigned short valueOfLastEnum(const StringEntries& entries) { |
| return entries.last().first; |
| } |
| |
| // This is the maximum value that is exposed as an IDL constant on the |
| // relevant interface. |
| unsigned short maxExposedEnumValue() const { return m_maxExposed; } |
| |
| protected: |
| SVGEnumerationBase(unsigned short value, |
| const StringEntries& entries, |
| unsigned short maxExposed) |
| : m_value(value), m_maxExposed(maxExposed), m_entries(entries) {} |
| |
| // This is the maximum value of all the internal enumeration values. |
| // This assumes that |m_entries| are sorted. |
| unsigned short maxInternalEnumValue() const { |
| return valueOfLastEnum(m_entries); |
| } |
| |
| // Used by SVGMarkerOrientEnumeration. |
| virtual void notifyChange() {} |
| |
| unsigned short m_value; |
| const unsigned short m_maxExposed; |
| const StringEntries& m_entries; |
| }; |
| typedef SVGEnumerationBase::StringEntries SVGEnumerationStringEntries; |
| |
| template <typename Enum> |
| const SVGEnumerationStringEntries& getStaticStringEntries(); |
| template <typename Enum> |
| unsigned short getMaxExposedEnumValue() { |
| return SVGEnumerationBase::valueOfLastEnum(getStaticStringEntries<Enum>()); |
| } |
| |
| template <typename Enum> |
| class SVGEnumeration : public SVGEnumerationBase { |
| public: |
| static SVGEnumeration<Enum>* create(Enum newValue) { |
| return new SVGEnumeration<Enum>(newValue); |
| } |
| |
| ~SVGEnumeration() override {} |
| |
| SVGEnumerationBase* clone() const override { return create(enumValue()); } |
| |
| Enum enumValue() const { |
| ASSERT(m_value <= maxInternalEnumValue()); |
| return static_cast<Enum>(m_value); |
| } |
| |
| void setEnumValue(Enum value) { |
| m_value = value; |
| notifyChange(); |
| } |
| |
| protected: |
| explicit SVGEnumeration(Enum newValue) |
| : SVGEnumerationBase(newValue, |
| getStaticStringEntries<Enum>(), |
| getMaxExposedEnumValue<Enum>()) {} |
| }; |
| |
| } // namespace blink |
| |
| #endif // SVGEnumeration_h |